Home / 12,393.93-18,585.80-6,151.65

Finding the Fourth Proportional to 12,393.93, 18,585.80 and 6,151.65

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Solution

The fourth proportional to 12,393.93, 18,585.80 and 6,151.65 is: 9,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.93 : 18,585.80 = 6,151.65 : x
  2. Step 2: Convert to fraction form
    12,393.93/18,585.80 = 6,151.65/x
  3. Step 3: Cross multiply
    12,393.93x = 18,585.80 × 6,151.65
  4. Step 4: Simplify right side
    12,393.93x = 114,333,305.81
  5. Step 5: Solve for x
    x = 114,333,305.81/12,393.93
  6. Step 6: Final answer
    x = 9,224.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.